mark-it.dk DNS records

🖥️ Nameservers2 records 247ms

Nameserver	IP addresses	PTR	ASN / ISP
ken.ns.cloudflare.com	108.162.193.127 172.64.33.127 173.245.59.127 2606:4700:58::adf5:3b7f 2803:f800:50::6ca2:c17f 2a06:98c1:50::ac40:217f	ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com ken.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mary.ns.cloudflare.com	108.162.192.134 172.64.32.134 173.245.58.134 2606:4700:50::adf5:3a86 2803:f800:50::6ca2:c086 2a06:98c1:50::ac40:2086	mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 144ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.6.69	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.134.148	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 227ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
29	300s	linda.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
46	300s	amir.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
50	300s	isaac.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)2 records 172ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:645	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:8694	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 235ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.69,172.67.134.148 ech=AEX+DQBB9QAgACCTNgWIXtzknE0vwn3cy3pqJv32D77Mz4agkcVqad9yfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:645,2606:4700:3035::ac43:8694

📝 TXT Records2 records 376ms

TXT Record
google-site-verification=TrJ4yjCfdtLsAkpTw6jXm3StBqN9_qCMH-2apsej4w8
v=spf1 include:_spf.mx.cloudflare.net include:_spf.mark-it.dk ~all

✉️ SPF

Policy	Record (mark-it.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net include:_spf.mark-it.dk ~all

📨 DMARC

Policy	Record (_dmarc.mark-it.dk)
p=reject	v=DMARC1; p=reject; sp=reject; fo=1:d:s; ri=3600; rua=mailto:re+qg8jedglb6c@dmarc.postmarkapp.com;

📬 MTA-STS748ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20230615T153000
max_age	86400s
Policy MX	*.mx.cloudflare.net

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records11 records 130ms

Flags	Tag	Value
0	iodef	mailto:caa@mark-it.dk
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔗 TLSA / DANE9 records 306ms

Service / Owner	Type	Cert association
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC322ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA234ms

Field	Value
Serial	2407078959
Primary NS (MNAME)	ken.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

247ms

A

144ms

MX

227ms

AAAA

172ms

TXT

376ms

CAA

130ms

HTTPS

235ms

TLSA

306ms

SOA

234ms

MTA-STS

748ms

DNSSEC

322ms

SRV

258ms

Total

3139ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 18:43:37	1217ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-28 02:22:56	1019ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-13 11:33:11	6630ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-07 02:06:09	2042ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-01 08:59:37	1781ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-29 22:28:05	1922ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-20 11:42:37	1793ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-16 16:42:24	2375ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-11 08:58:55	1743ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-27 19:20:37	3139ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-24 10:28:41	1551ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-17 20:03:01	1561ms	2 NS 2 A 3 MX	🔒 Secure	View